!3 显示密码错误次数

Merge pull request !3 from kou he/show-wrongtimes

main.py

@@ -20,6 +20,8 @@ while True:
             else:
                 print("Wrong password!")
                 wrong_time += 1
+                # print you had wrong password wrong_time times, max 3 times
+                print("You had wrong password %d times, max 3 times" % wrong_time)
                 if wrong_time == 3:
                     print("Too many wrong password!")
                     exit()